qt5 qtwebkit compile problem

[lamp]

Hi
How to resolve this problem?

/opt/source/qt5/qtwebkit/Source/JavaScriptCore/wtf/NullPtr.h:48:1: error: identifier ‘nullptr’ will become a keyword in C++0x [-Werror=c++0x-compat]
cc1plus: all warnings being treated as errors

[lamp]

remove -well
and then see this error:


/qt5/bin/moc -DENABLE_NETSCAPE_PLUGIN_API=0 -DNDEBUG -DBUILDING_QT__=1 -DNDEBUG -DBUILDING_JavaScriptCore -DBUILDING_WTF -DQT_NO_DEBUG -DQT_CORE_LIB -DQT_SHARED -I .... qt5/qtwebkit/Source/JavaScriptCore/wtf/qt/MainThreadQt.cpp -o MainThreadQt.moc
/home/arm/opt/source/qt5/qtwebkit/Source/JavaScriptCore/yarr/YarrParser.h: In function ‘const char* JSC::Yarr::checkSyntax(const JSC::UString&)’:


/opt/source/qt5/qtwebkit/Source/JavaScriptCore/yarr/YarrParser.h:136:17: error: ‘characterClassConstructor.JSC::Yarr::Parser <JSC::Yarr::SyntaxChecker>::CharacterClassParserDe legate::m_character’ may be used uninitialized in this function [-Werror=uninitialized]
/home/arm/opt/source/qt5/qtwebkit/Source/JavaScriptCore/yarr/YarrParser.h:454:38: note: ‘characterClassConstructor.JSC::Yarr::Parser <JSC::Yarr::SyntaxChecker>::CharacterClassParserDe legate::m_character’ was declared here
cc1plus: all warnings being treated as errors